Originally Posted by
pax britanica
We were flying exceptionally high , said word from the FD, to ensure a direct trip fuel was an issue. we made it, so did the old dears but even wife and I in mid 20s felt it was a little hard to breathe. What sort of altitude could a 1-11 make.
Not sure of the service ceiling but I imagine that anything above FL330 would be regarded as high for a 1-11.